chore: require gmp extension for library (#256)

* chore: require gmp extension for library

---------

Signed-off-by: Alan Brault <alan.brault@visus.io>

.gitattributes

@@ -3,7 +3,6 @@
 /.github/                   export-ignore
 /.gitignore                 export-ignore
 /build/                     export-ignore
-/composer.lock              export-ignore
 /phpcs.xml                  export-ignore
 /phpstan.neon               export-ignore
 /phpunit.xml.dist           export-ignore

.github/renovate.json

@@ -11,14 +11,6 @@
     "php": "<8.2"
   },
   "timezone": "America/New_York",
-  "rangeStrategy": "update-lockfile",
-  "lockFileMaintenance": {
-    "automerge": true,
-    "enabled": true,
-    "schedule": [
-      "after 8:00am"
-    ]
-  },
   "packageRules": [
     {
       "automerge": true,
@@ -30,7 +22,7 @@
       "groupName": "all non-major dependencies",
       "groupSlug": "all-minor-patch",
       "labels": [
-        "dependencies"
+        "Dependencies: Minor-Patch"
       ],
       "schedule": [
         "after 8:00am"
@@ -45,8 +37,7 @@
         "major"
       ],
       "labels": [
-        "dependencies",
-        "breaking"
+        "Dependencies: Major (Breaking)"
       ],
       "schedule": [
         "after 8:00am on tuesday"

.github/workflows/ci.yml

@@ -26,16 +26,6 @@ jobs:
           php-version: '8.1'
           tools: composer
           extensions: :xdebug
-      - name: Get Composer Cache Directory
-        id: composer-cache
-        run: |
-          echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
-      - uses: actions/cache@v4
-        with:
-            path: ${{ steps.composer-cache.outputs.dir }}
-            key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-            restore-keys: |
-              ${{ runner.os }}-composer-            
       - name: Composer
         run: |
           composer install --quiet --no-ansi --no-interaction --no-progress --prefer-dist
@@ -62,16 +52,6 @@ jobs:
           php-version: '8.1'
           tools: composer
           coverage: xdebug
-      - name: Get Composer Cache Directory
-        id: composer-cache
-        run: |
-          echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
-      - uses: actions/cache@v4
-        with:
-            path: ${{ steps.composer-cache.outputs.dir }}
-            key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-            restore-keys: |
-              ${{ runner.os }}-composer-            
       - name: Composer
         run: |
           composer install --quiet --no-ansi --no-interaction --no-progress --prefer-dist

.gitignore

@@ -2,6 +2,7 @@
 /.idea/
 
 # Composer
+composer.lock
 /vendor
 
 # PHPUnit

README.md

@@ -17,6 +17,9 @@ A PHP implementation of collision-resistant ids. You can read more about CUIDs f
 
 You can install visus/cuid2 as a [composer package](https://packagist.org/packages/visus/cuid2):
 
+> [!IMPORTANT]
+> The PHP extension [GMP](https://www.php.net/manual/en/intro.gmp.php) is required in order to use this library.
+
 ```shell
 composer require visus/cuid2
 ```
@@ -31,12 +34,12 @@ require_once 'vendor/autoload.php';
 $cuid = new Visus\Cuid2\Cuid2();
 
 // implicit casting
-echo $cuid; // hw8kkckkgwkk0oo0gkw0o8sg
+echo $cuid; // apr5hhh4ox45krsg9gycbs9k
 
 // explicit casting
-echo $cuid->toString(); // hw8kkckkgwkk0oo0gkw0o8sg
+echo $cuid->toString(); // apr5hhh4ox45krsg9gycbs9k
 
 // new (with custom length)
 $cuid = new Visus\Cuid2\Cuid2(10);
-echo $cuid; // psk8844ck4
+echo $cuid; // pekw02xwsd
 ```

composer.json

@@ -14,7 +14,8 @@
         }
     ],
     "require": {
-        "php": "^8.1"
+        "php": "^8.1",
+        "ext-gmp": "*"
     },
     "require-dev": {
         "ext-ctype": "*",
@@ -27,9 +28,6 @@
         "squizlabs/php_codesniffer": "^3.7",
         "vimeo/psalm": "^5.4"
     },
-    "suggest": {
-        "ext-gmp": "*"
-    },
     "minimum-stability": "dev",
     "prefer-stable": true,
     "autoload": {